/*
    算术运算符:
        + - * / %
 */



public class OperatorDemo01 {
    public static void main(String[] args) {
        int i = 19;
        int j = 20;

        System.out.println(i + j);
        System.out.println(i - j);
        System.out.println(i * j);
        System.out.println(i / j);//0
        System.out.println(i % j);

        System.out.println(19.0/20);


    }
}
